> > do you think it makes sense then to have a similar encoded value from DT > > (maybe "mmc-fixed-driver-type-<n>" with n=0..4)? > > The _DSM, being a device-specific method does not have to support different > devices with different requirements whereas DT does. So, it is more like a vendor specific property (e.g. "renesas, mmc-driver-type")? Sorry, I don't know much about ACPI. > > This is a largely > > reduced encoding of what you proposed in 2015 [1] but may be more > > pragmatic for soldered on-board devices working on their max speeds with > > fixed voltages and frequencies? Or did I get something wrong? > > What I proposed was being forced on me by the requirement to provide a > solution that could meet any conceivable need. That gets over-complicated. Yeah, that became pretty clear. > But as you say, in practice people are probably only interested in providing > one value for the max speed / frequency. OK. Thanks for your answers! Much appreciated.
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